Cách sử dụng
The expression "in/under no circumstances" is used to indicate that something is absolutely not allowed, no matter what the situation may be. It is used to emphasize the idea that there are no exceptions or circumstances that could change the situation. For example, if a sign says "Under no circumstances can you enter this area", it means that there are absolutely no circumstances where you are allowed to enter that area. This expression is often used in official warnings, rules, or legal documents.